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Download large file in python with requests
Requests is a really nice library. I'd like to use it for download big files (>1GB).
The problem is it's not possible to keep whole file in memory I need to read it in chunks. And this is a problem with the following code
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Can't stop rails server
... If Webrick is running, then its PID is in {APP_ROOT}/tmp/pids/server.pid file so you don't have to look for it -- as long as server is running. So, if instead of doing ctrl-c you just run that kill command in another terminal, it will kill Webrick server immediately.
– Learne...
Change a Rails application to production
...I change my Rails application to run in production mode? Is there a config file, environment.rb for example, to do that?
15...
Only read selected columns
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Say the data are in file data.txt, you can use the colClasses argument of read.table() to skip columns. Here the data in the first 7 columns are "integer" and we set the remaining 6 columns to "NULL" indicating they should be skipped
> read....
Compelling examples of custom C++ allocators?
...on a mmap-allocator that allows vectors to use memory from
a memory-mapped file. The goal is to have vectors that use storage that
are directly in the virtual memory mapped by mmap. Our problem is to
improve reading of really large files (>10GB) into memory with no copy
overhead, therefore I ne...
Client on node: Uncaught ReferenceError: require is not defined
...enderer process and the main process. The renderer process sits in an HTML file between script tags and generates the same error.
The line
const {ipcRenderer} = require('electron')
throws the Uncaught ReferenceError: require is not defined
I was able to work around that by specifying node integ...
How can I access an internal class from an external assembly?
... to allow "Friend" assemblies access to internals:
In the AssemblyInfo.cs file of the project you add a line for each assembly.
[assembly: InternalsVisibleTo("name of assembly here")]
this info is available here.
Hope this helps.
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How to create a temporary directory/folder in Java?
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If you are using JDK 7 use the new Files.createTempDirectory class to create the temporary directory.
Path tempDirWithPrefix = Files.createTempDirectory(prefix);
Before JDK 7 this should do it:
public static File createTempDirectory()
throws IOExceptio...
How can I add timestamp to logs using Node.js library Winston?
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This is great. I usually wrap this in a dedicated file so that I can easily get my configured logger from any file, i.e., I put the above code (option 2) in a new file logger.js, followed by module.exports = logger; then from any file I do var logger = require('./logger.js')...
How to check with javascript if connection is local host?
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This is just wrong. many people edit their host file so the word 'localhost' won't be found
– vsync
Aug 1 '13 at 18:57
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